<extend name="Public/storeoutbase" />
<block name="body">
    <!-- 主体 -->
    <div style="width:100%; height:100%">
         <iframe id="mainIframe" name="main" src="{$remote_url}&callback={:urlencode(SITE_URL)}" width="100%" height="100%" frameborder="0" scrolling="auto"></iframe>
    </div>
</block>